@article{LaschewskyWattebledArotcarenaetal.2005,
  author    = {Laschewsky, Andr{\´e} and Wattebled, Laurent and Arotcarena, Michel and Habib-Jiwan, Jean-Louis and Rakotoaly, R. H.},
  title     = {Synthesis and properties of cationic oligomeric surfactants},
  issn      = {0743-7463},
  year      = {2005},
  abstract  = {Three series of new oligomeric cationic surfactants were synthesized. These amphiphiles are trimeric and tetrameric oligomeric quaternary ammonium chlorides, with spacer groups of different lengths separating the individual surfactant fragments. The properties of the compounds, such as Krafft temperatures, surface activity, micellization, viscosifying effects, foaming and solubilizing capacity, are studied. The influence of the degree of oligomerization and of the spacer group on the surfactant properties is discussed, in comparison with the analogous standard monomeric and dimeric ("gemini") surfactants. Typically, the evolution of the properties observed from standard to dimeric surfactants progresses with the trimers and tetramers, resulting for instance in extremely low critical micellization concentrations},
  language  = {en}
}
@article{LaschewskyLunkenheimerRakotoalyetal.2005,
  author    = {Laschewsky, Andr{\´e} and Lunkenheimer, K. and Rakotoaly, R. H. and Wattebled, Laurent},
  title     = {Spacer effects in dimeric cationic surfactants},
  issn      = {0303-402X},
  year      = {2005},
  abstract  = {A series of dimeric cationic surfactants (gemini surfactants), which have spacer groups of varying length and flexibility, was synthesized. The series is derived from the parent compounds dodecyltrimethylammonium chloride or benzyldodecyldimethylammonium chloride. Characteristic surfactant properties of the dimeric ammonium compounds such as surface activity, micellization, viscosity effects, foaming, and solubilization, were studied with respect to the influence of the spacer group on the surfactant. For all properties, the influence of the length of the spacer group was predominant though the chemical nature of the spacer cannot be neglected},
  language  = {en}
}